331311560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2713}}^1$

素因数の和:2838

約数の個数: 64

約数和(自身を含む): 773815680

約数和(自身を除く): 442504120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 284, 344, 355, 430, 568, 710, 860, 1420, 1720, 2713, 2840, 3053, 5426, 6106, 10852, 12212, 13565, 15265, 21704, 24424, 27130, 30530, 54260, 61060, 108520, 116659, 122120, 192623, 233318, 385246, 466636, 583295, 770492, 933272, 963115, 1166590, 1540984, 1926230, 2333180, 3852460, 4666360, 7704920, 8282789, 16565578, 33131156, 41413945, 66262312, 82827890, 165655780, 331311560]

約数ペア:

[(1, 331311560), (2, 165655780), (4, 82827890), (5, 66262312), (8, 41413945), (10, 33131156), (20, 16565578), (40, 8282789), (43, 7704920), (71, 4666360), (86, 3852460), (142, 2333180), (172, 1926230), (215, 1540984), (284, 1166590), (344, 963115), (355, 933272), (430, 770492), (568, 583295), (710, 466636), (860, 385246), (1420, 233318), (1720, 192623), (2713, 122120), (2840, 116659), (3053, 108520), (5426, 61060), (6106, 54260), (10852, 30530), (12212, 27130), (13565, 24424), (15265, 21704)]